Portsmouth Rhode Island Weather Almanac
Monday, June 1, 2020
Clear early then Partly Cloudy, Much Cooler
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    June 1, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   65   73   70   -5   87   in 1987   53   in 2015  
Minimum Temperature   42   56   52   -10   68   in 1895   40   in 1945  
Average Temperature   54   65   61   -7   76   in 1987   51   in 2015  
Precipitation   T   .00   .11   .00   1.43   in 1992            
One Hour   T   .00           .47   in 1985            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           43983   in            
HDD   11   0   4   +7   14   in 2015   0   in 2019  
CDD   0   0   1   -1   11   in 1987   0   in 2019  
Maximum Dew Point   44   63   57   -13   68   in 2013   39   in 1967  
Minimum Dew Point   32   55   48   -16   60   in 1975   30   in 2009  
Average  Dew Point   38   59   53   -15   63   in 2011   38   in 2020  
Maximum Humidity   80%   99%   93%   -13%   100%   in 2018   67%   in 1954  
Minimum Humidity   34%   65%   58%   -24%   92%   in 1992   26%   in 1990  
Average Humidity   57%   82%   75%   -18%   96%   in 1950   49%   in 1990  
Maximum Barometer   30.20   29.89   29.99   +00.21   30.52   in 1902   29.60   in 2003  
Minimum Barometer   30.06   29.82   29.79   +00.27   30.33   in 1996   29.28   in 2003  
Average Barometer   30.13   29.86   29.89   +00.24   30.36   in 1996   29.44   in 2003  
Average Wind   7.2   4.4   6.2   +1.0   15.2   in 1984   2.8   in 2018  
Direction   NNW   SE   SSW       N         SSE        
High Wind Gust   24   18   22   +2   37   in 1988   10   in 2018  
Direction   NW   SE   SSW       NE         SSE        
High Heat Index   61   74   71   -10   88   in 1962            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   53.6   60.2   60.6   -7.0   67.3   in 2007   53.6   in 2020  
Minimum Water Temp   51.3   57.2   57.2   -5.9   63.1   in 2007   51.3   in 2020  
Average Water Temp   52.5   58.7   58.9   -6.5   65.2   in 2007   52.5   in 2020  
Sunrise/ AM Twilight   5:13:27 AM   4:40:15 AM            
Sunset / PM Twilight   8:12:55 PM   8:46:07 PM            
Length Of Day   14:59:28                          
Special Conditions   None                                  
Comments      
    June 1, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   65.0   73.0   70.0   -5.0   87.0   in 1987   53.0   in 2015  
Avg Minimum Temperature   42.0   56.0   52.0   -10.0   68.0   in 1895   40.0   in 1945  
Average Temperature   54.0   65.0   61.0   -7.0   76.0   in 1987   51.0   in 2015  
Total Precipitation   T   .00   .11   .+00   1.43   in 1992   .00   in 2019  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   11   0   4   +7   14   in 2015   0   in 2019  
Total CDD   0   0   1   -1   11   in 1987   0   in 2020  
Avg Maximum Dew Point   44.0   63.0   57.4   -13.4   68.0   in 2013   39.0   in 1967  
Avg Minimum Dew Point   32.0   55.0   47.8   -15.8   60.0   in 1975   30.0   in 2009  
Average  Dew Point   38.0   59.0   52.6   -14.6   63.0   in 2013   38.0   in 2020  
    June 1, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   19.21   21.91   20.61   -1.40   35.84   in 1983   11.62   in 1905  
Total Snow (since Jul 1 19)   12.9   21.1   32.1   -19.2   84.1   in 1996   5.0   in 1998  
Total HDD (since Jul 1 19)   5103   5490   5576   -473   6536   in 1905   4476   in 2012  
Total CDD (since Jan 1)   8   10   10   -2.0   50   in 1991   0   in 2005  
                             
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Portsmouth Rhode Island Weather Almanac
Tuesday, June 2, 2020
Partly Cloudy early, Mostly Cloudy Day to Cloudy PM, Light Winds, Cool
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    June 2, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   68   67   70   -2   92   in 1895   48   in 1907  
Minimum Temperature   46   55   53   -7   65   in 1895   44   in 1946  
Average Temperature   57   61   61   -4   79   in 1895   46   in 1907  
Precipitation   T   .00   .11   .00   1.89   in 1946            
One Hour   T   .00           .88   in 1982            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           43984   in            
HDD   8   4   4   +4   19   in 1907   0   in 2018  
CDD   0   0   1   -1   14   in 1895   0   in 2019  
Maximum Dew Point   55   62   58   -3   73   in 2018   44   in 1953  
Minimum Dew Point   42   55   48   -6   61   in 1999   35   in 1953  
Average  Dew Point   49   59   53   -4   65   in 1999   40   in 1953  
Maximum Humidity   86%   100%   92%   -6%   100%   in 2019   69%   in 1994  
Minimum Humidity   52%   76%   59%   -7%   91%   in 2015   30%   in 1953  
Average Humidity   69%   88%   76%   -7%   95%   in 1968   50%   in 1953  
Maximum Barometer   30.08   29.83   30.00   +00.08   30.44   in 1996   29.62   in 1984  
Minimum Barometer   29.81   29.68   29.79   +00.02   30.34   in 1996   29.27   in 1984  
Average Barometer   29.95   29.76   29.89   +00.05   30.39   in 1996   29.45   in 1984  
Average Wind   4.8   5.4   6.6   -1.8   15.8   in 1984   2.8   in 2006  
Direction   S   S   SSW       N         SSE        
High Wind Gust   17   19   23   -6   42   in 1984   14   in 2006  
Direction   SSW   SSE   SSW       N         S        
High Heat Index   67   68   71   -4   89   in 2018            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   53.8   60.6   60.8   -7.0   68.4   in 2007   53.8   in 2020  
Minimum Water Temp   50.9   57.4   57.3   -6.4   61.5   in 2007   50.9   in 2020  
Average Water Temp   52.4   59.0   59.0   -6.7   64.9   in 2007   52.4   in 2020  
Sunrise/ AM Twilight   5:13:02 AM   4:39:46 AM            
Sunset / PM Twilight   8:13:39 PM   8:46:55 PM            
Length Of Day   15:00:37                          
Special Conditions   None                                  
Comments      
    June 2, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   66.5   70.0   70.0   -3.5   88.0   in 1895   51.5   in 2015  
Avg Minimum Temperature   44.0   55.5   52.5   -8.5   66.5   in 1895   43.5   in 1945  
Average Temperature   55.3   62.8   61.0   -5.8   77.3   in 1895   49.3   in 1907  
Total Precipitation   T   .00   .23   .+00   2.19   in 1984   .00   in 2019  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   19   4   8   +11   31   in 1907   0   in 2018  
Total CDD   0   0   2   -2   25   in 1895   0   in 2020  
Avg Maximum Dew Point   49.5   62.5   57.7   -8.2   69.5   in 2018   44.5   in 1953  
Avg Minimum Dew Point   37.0   55.0   48.0   -11.0   59.0   in 2006   36.0   in 1993  
Average  Dew Point   43.3   58.8   52.8   -9.6   63.0   in 2018   40.5   in 1953  
    June 2, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   19.21   21.91   20.73   -1.52   35.86   in 1983   11.63   in 1905  
Total Snow (since Jul 1 19)   12.9   21.1   32.1   -19.2   84.1   in 1996   5.0   in 1998  
Total HDD (since Jul 1 19)   5111   5494   5580   -469   6546   in 1905   4481   in 2012  
Total CDD (since Jan 1)   8   10   11   -3.0   52   in 1991   0   in 2005  
                             
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